Question

Equations

Answer 1

your idea?

Answer 2

getting help from the last lets me know the other was zero but looking at it now i would say its negative slope

Answer 3

r my ideas correct or needs more improvement

Answer 4

need help with 2 and 3

Answer 5

2 has a horizontal line, if the line is horizontal the slope would always be \[\frac{ a }{ 0 }\] which in mathematical rules, you can not divide numbers by 0 so it would be undefined

Answer 6

for the 3rd one you could use the slope formula \[slope ~ =~\frac{ y_2-y_1 }{ x_2-x_1 }\] plug in the given points into the equation and solve